void BuildNodeLines()
{
for (int i = 0; i < nodeArray.Length; ++i)
{
Voxelizer.SDF_Node n = nodeArray[i];
// the Cube
float s = (n.Max.x - n.Min.x) * 0.5f;
Vector3 p = new Vector3(n.Min.x + s, n.Min.y + s, n.Min.z + s);
/*
* 0---2
* / /|
* 1---3 |
* | 4 : 6
* 5---7/
*
* Y Z
* | /
* |/___X
*/
CUBE c;
//top
c.v0 = new Vector3(p.x - s, p.y + s, p.z + s);
c.v1 = new Vector3(p.x - s, p.y + s, p.z - s);
c.v2 = new Vector3(p.x + s, p.y + s, p.z + s);
c.v3 = new Vector3(p.x + s, p.y + s, p.z - s);
//bottom
c.v4 = new Vector3(p.x - s, p.y - s, p.z + s);
c.v5 = new Vector3(p.x - s, p.y - s, p.z - s);
c.v6 = new Vector3(p.x + s, p.y - s, p.z + s);
c.v7 = new Vector3(p.x + s, p.y - s, p.z - s);
AddCube(c);
//at lowest nodes draw the Nearest surface Vector
if (n.c0 == -1 && s * 2.0f <= Smallest_Size)
{
AddLine(p, n.SurfacePoint, true);
}
}
}
//=============================================================================================================================================
//helper function to read a string and format it into a Node
//=============================================================================================================================================
Voxelizer.SDF_Node ParseNode(string word)
{
Voxelizer.SDF_Node node = new Voxelizer.SDF_Node();
int item = 0;
string str = "";
word += ','; //required to get through all items
char c = word[0];
//Node Format : int,int[8],Vector3,Vector3,Vector3
for (int i = 0; i < word.Length; ++i)
{
c = word[i];
if (c == ',')
{
switch (item)
{
case 0:
node.index = int.Parse(str);
break;
case 1: //Node Index
node.c0 = int.Parse(str);
break;
case 2: //Node Children
node.c1 = int.Parse(str);
break;
case 3:
node.c2 = int.Parse(str);
break;
case 4:
node.c3 = int.Parse(str);
break;
case 5:
node.c4 = int.Parse(str);
break;
case 6:
node.c5 = int.Parse(str);
break;
case 7:
node.c6 = int.Parse(str);
break;
case 8:
node.c7 = int.Parse(str);
break;
case 9: //Node Min
node.Min.x = float.Parse(str);
break;
case 10:
node.Min.y = float.Parse(str);
break;
case 11:
node.Min.z = float.Parse(str);
break;
case 12: //Node Max
node.Max.x = float.Parse(str);
break;
case 13:
node.Max.y = float.Parse(str);
break;
case 14:
node.Max.z = float.Parse(str);
break;
case 15: //Node SurfacePoint
node.SurfacePoint.x = float.Parse(str);
break;
case 16:
node.SurfacePoint.y = float.Parse(str);
break;
case 17: //never gets called....
node.SurfacePoint.z = float.Parse(str);
break;
default:
break;
}
str = "";
item++;
}
else
{
str += c;
}
}
return(node);
}
